Home / 15,885,771,144.48-21,923,912,650.59-11,864,459,970.72

Finding the Fourth Proportional to 15,885,771,144.48, 21,923,912,650.59 and 11,864,459,970.72

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Solution

The fourth proportional to 15,885,771,144.48, 21,923,912,650.59 and 11,864,459,970.72 is: 16,374,111,252.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,885,771,144.48 : 21,923,912,650.59 = 11,864,459,970.72 : x
  2. Step 2: Convert to fraction form
    15,885,771,144.48/21,923,912,650.59 = 11,864,459,970.72/x
  3. Step 3: Cross multiply
    15,885,771,144.48x = 21,923,912,650.59 × 11,864,459,970.72
  4. Step 4: Simplify right side
    15,885,771,144.48x = 260,115,384,044,486,852,608
  5. Step 5: Solve for x
    x = 260,115,384,044,486,852,608/15,885,771,144.48
  6. Step 6: Final answer
    x = 16,374,111,252.06

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.